Hi,
The only reason it would be repeating the same reference when you drag down is if you have used an absolute range reference in the ROWS formula (right at the end of the entire formula). It should bebut will return the same reference all the way down if you have accidentally usedTo change the column from S to T, all you need to change is the reference in the INDEX's array argument, so it becomesThe arguments in the ROW/ROWS functions are simply placeholders, so it doesn't matter what column they are referring to, all that matters is that they are counting how many rows are in your table.
Just worth mentioning again, both of these formulae are array formulae, so they need to be entered using Ctrl + Shift + Enter. It just occurred to me that this may be the reason if you couldn't get the second formula to work after you changed it.
Hope this helps
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